“power”在英语中的释义

noun

1. The ability to do or undergo something.

   • He has lost the power to speak.

2. (social) The ability to coerce, influence, or control.

3. (physical, uncountable) Strength, energy.

4. (colloquial, dated outside the phrase 'power of good') A large amount or number.

   • do a power of good

5. Any of the elementary forms or parts of machines: three primary (the lever, inclined plane, and pulley) and three secondary (the wheel-and-axle, wedge, and screw).

   • the mechanical powers

6. (trucking) A tractor.

   • The set I'm making right now needs a power on it, but we don't have any tractors left in the yard.

7. (physics, mechanics) A measure of the effectiveness that a force producing a physical effect has over time. If linear, the quotient of: (force multiplied by the displacement of or in an object) ÷ time. If rotational, the quotient of: (force multiplied by the angle of displacement) ÷ time.

8. A product of equal factors (and generalizations of this notion): xⁿ, read as "x to the power of n" or the like, is called a power and denotes the product x×x×⋯×x, where x appears n times in the product; x is called the base and n the exponent.

9. Cardinality.

10. The probability that a statistical test will reject the null hypothesis when the alternative hypothesis is true.

11. (biblical, in the plural) In Christian angelology, an intermediate level of angels, ranked above archangels, but exact position varies by classification scheme.

12. (quiz bowl) A bonus point awarded for answering correctly before a certain part of the tossup is read.

verb

1. (transitive) To provide power for (a mechanical or electronic device).

   • This CD player is powered by batteries.

2. (transitive) To hit or kick something forcefully.

3. To enable or provide the impetus for.

4. (intransitive) To move or advance with great force or speed.

adjective

1. (Malaysia, Singapore, colloquial) Impressive.

interjection

1. (Philippines, colloquial) Used as a cheer to express support